| Value |
Category |
Cases |
|
| -97 |
Don't Know |
0 |
|
| 1 |
Easy |
3442 |
|
| 2 |
Neither easy nor difficult |
540 |
|
| 3 |
Difficult |
258 |
|
| Sysmiss |
|
18756 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
